Java tutorial
/* * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.security.interfaces; import java.math.BigInteger; /** * Interface to a DSA-specific set of key parameters, which defines a * DSA <em>key family</em>. DSA (Digital Signature Algorithm) is defined * in NIST's FIPS-186. * * @see DSAKey * @see java.security.Key * @see java.security.Signature * * @author Benjamin Renaud * @author Josh Bloch * @since 1.1 */ public interface DSAParams { /** * Returns the prime, {@code p}. * * @return the prime, {@code p}. */ public BigInteger getP(); /** * Returns the subprime, {@code q}. * * @return the subprime, {@code q}. */ public BigInteger getQ(); /** * Returns the base, {@code g}. * * @return the base, {@code g}. */ public BigInteger getG(); }